5649402917 has 2 divisors, whose sum is σ = 5649402918. Its totient is φ = 5649402916.

The previous prime is 5649402907. The next prime is 5649402929. The reversal of 5649402917 is 7192049465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3082359361 + 2567043556 = 55519^2 + 50666^2 .

It is a cyclic number.

It is not a de Polignac number, because 5649402917 - 2⁴ = 5649402901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5649402907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2824701458 + 2824701459.

It is an arithmetic number, because the mean of its divisors is an integer number (2824701459).

Almost surely, 2^5649402917 is an apocalyptic number.

It is an amenable number.

5649402917 is a deficient number, since it is larger than the sum of its proper divisors (1).

5649402917 is an equidigital number, since it uses as much as digits as its factorization.

5649402917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 5649402917 is about 75162.5100498912. The cubic root of 5649402917 is about 1781.0147516355.

The spelling of 5649402917 in words is "five billion, six hundred forty-nine million, four hundred two thousand, nine hundred seventeen".